I will build a custom ai chatbot or rag system with proven accuracy


About this gig
Most "RAG chatbot" gigs show you a demo and ask you to trust it works. I show you the evaluation.
Before I ship a RAG system, I run it through a scored benchmark judged by a separate AI model not myself grading my own work and document exactly which questions it answers correctly, which it correctly declines, and whether any failure traces back to retrieval or generation. You get the receipts, not just the claim.
What you get: a custom RAG/AI chatbot built on your documents or knowledge base, hybrid retrieval (semantic + keyword) with reranking, and generation powered by Gemini or Llama. Full source code included and for Standard/Premium an accuracy report run on your actual content.
I've built and rigorously evaluated a production RAG pipeline (case study in my portfolio) and shipped live AI features a negotiation assistant, risk scoring into a real B2B platform. I test what I build; I don't guess.
Get to know Taha Tanvir
AI Engineer, RAG and LLM Integration Specialist
- FromPakistan
- Member sinceSep 2026
- Avg. response time1 hour
Languages
Urdu, English
My Portfolio
FAQ
What's the difference between the packages?
Scope by number of document sources plus whether an accuracy evaluation report is included (Standard/Premium only).
Which AI models do you work with?
Currently Gemini for generation, with Llama (via Groq) and Cohere for retrieval/reranking. Other LLMs can be discussed based on your needs.
What document formats can you handle?
PDF, DOCX, and TXT to start. Message me if you have something unusual.
Do I get the source code?
Yes, full ownership, every package.
How do you make sure it's actually accurate?
Standard and Premium include a scored evaluation run by an independent AI judge, not self-graded see the case study in my portfolio.
Should I message you before ordering?
Yes, send your documents/use case and I'll confirm the right package before you commit.

